diff --git a/.github/workflows/external_trigger.yml b/.github/workflows/external_trigger.yml
index 9b70a39..87e43ef 100644
--- a/.github/workflows/external_trigger.yml
+++ b/.github/workflows/external_trigger.yml
@@ -29,7 +29,7 @@ jobs:
           echo "> [!NOTE]" >> $GITHUB_STEP_SUMMARY
           echo "> External trigger running off of nightly branch. To disable this trigger, add \`mylar3_nightly\` into the Github organizational variable \`SKIP_EXTERNAL_TRIGGER\`." >> $GITHUB_STEP_SUMMARY
           printf "\n## Retrieving external version\n\n" >> $GITHUB_STEP_SUMMARY
-          EXT_RELEASE=$(curl -u "${{ secrets.CR_USER }}:${{ secrets.CR_PAT }}" -sX GET "https://api.github.com/repos/mylar3/mylar3/commits/python3-dev" | jq -r '. | .sha' | cut -c1-8)
+          EXT_RELEASE=$(curl -u "${{ secrets.CR_USER }}:${{ secrets.CR_PAT }}" -sX GET "https://api.github.com/repos/mylar3/mylar3/commits/1000papercuts" | jq -r '. | .sha' | cut -c1-8)
           echo "Type is \`github_commit\`" >> $GITHUB_STEP_SUMMARY
           if grep -q "^mylar3_nightly_${EXT_RELEASE}" <<< "${SKIP_EXTERNAL_TRIGGER}"; then
             echo "> [!WARNING]" >> $GITHUB_STEP_SUMMARY
diff --git a/Dockerfile b/Dockerfile
index 9ccfeef..469a389 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -32,7 +32,7 @@ RUN \
     zlib1g-dev && \
   echo "**** install mylar3 ****" && \
   if [ -z ${MYLAR3_RELEASE+x} ]; then \
-    MYLAR3_RELEASE=$(curl -sX GET https://api.github.com/repos/mylar3/mylar3/commits/python3-dev \
+    MYLAR3_RELEASE=$(curl -sX GET https://api.github.com/repos/mylar3/mylar3/commits/1000papercuts \
       | jq -r '.sha' | cut -c1-8); \
   fi && \
   mkdir /app/mylar3 && \
diff --git a/Dockerfile.aarch64 b/Dockerfile.aarch64
index 8225221..6e0199d 100644
--- a/Dockerfile.aarch64
+++ b/Dockerfile.aarch64
@@ -32,7 +32,7 @@ RUN \
     zlib1g-dev && \
   echo "**** install mylar3 ****" && \
   if [ -z ${MYLAR3_RELEASE+x} ]; then \
-    MYLAR3_RELEASE=$(curl -sX GET https://api.github.com/repos/mylar3/mylar3/commits/python3-dev \
+    MYLAR3_RELEASE=$(curl -sX GET https://api.github.com/repos/mylar3/mylar3/commits/1000papercuts \
       | jq -r '.sha' | cut -c1-8); \
   fi && \
   mkdir /app/mylar3 && \
diff --git a/Jenkinsfile b/Jenkinsfile
index 87c651f..d54f22f 100644
--- a/Jenkinsfile
+++ b/Jenkinsfile
@@ -19,7 +19,7 @@ pipeline {
     DOCKERHUB_TOKEN=credentials('docker-hub-ci-pat')
     QUAYIO_API_TOKEN=credentials('quayio-repo-api-token')
     GIT_SIGNING_KEY=credentials('484fbca6-9a4f-455e-b9e3-97ac98785f5f')
-    EXT_GIT_BRANCH = 'python3-dev'
+    EXT_GIT_BRANCH = '1000papercuts'
     EXT_USER = 'mylar3'
     EXT_REPO = 'mylar3'
     BUILD_VERSION_ARG = 'MYLAR3_RELEASE'
diff --git a/README.md b/README.md
index 84a6691..89a5f08 100644
--- a/README.md
+++ b/README.md
@@ -60,9 +60,9 @@ This image provides various versions that are available via tags. Please read th
 
 | Tag | Available | Description |
 | :----: | :----: |--- |
-| latest | ✅ | Stable Mylar3 releases |
-| nightly | ✅ | Commits to Mylar3 `python3-dev` branch |
-| unstable | ✅ | Commits to Mylar3 `1000papercuts` branch |
+| latest | ✅ | Commits to Mylar3 `python3-dev` branch |
+| nightly | ✅ | Commits to Mylar3 `1000papercuts` branch (ubuntu) |
+| unstable | ✅ | Commits to Mylar3 `1000papercuts` branch (alpine) |
 
 ## Application Setup
 
@@ -289,6 +289,7 @@ Once registered you can define the dockerfile to use with `-f Dockerfile.aarch64
 
 ## Versions
 
+* **19.02.26:** - Rebase `nightly` tag to build commits from upstream `1000papercuts` branch.
 * **05.02.26:** - Release `unstable` tag based on commits to upstream `1000papercuts` branch.
 * **10.11.25:** - Rebase to Ubuntu Jammy.
 * **23.12.23:** - Rebase to Alpine 3.19.
diff --git a/jenkins-vars.yml b/jenkins-vars.yml
index 69b7eea..1418d35 100644
--- a/jenkins-vars.yml
+++ b/jenkins-vars.yml
@@ -7,7 +7,7 @@ release_type: prerelease
 release_tag: nightly
 ls_branch: nightly
 repo_vars:
-  - EXT_GIT_BRANCH = 'python3-dev'
+  - EXT_GIT_BRANCH = '1000papercuts'
   - EXT_USER = 'mylar3'
   - EXT_REPO = 'mylar3'
   - BUILD_VERSION_ARG = 'MYLAR3_RELEASE'
diff --git a/readme-vars.yml b/readme-vars.yml
index f0870d9..9055ea2 100644
--- a/readme-vars.yml
+++ b/readme-vars.yml
@@ -13,9 +13,9 @@ available_architectures:
 # development version
 development_versions: true
 development_versions_items:
-  - {tag: "latest", desc: "Stable Mylar3 releases"}
-  - {tag: "nightly", desc: "Commits to Mylar3 `python3-dev` branch"}
-  - {tag: "unstable", desc: "Commits to Mylar3 `1000papercuts` branch"}
+  - {tag: "latest", desc: "Commits to Mylar3 `python3-dev` branch"}
+  - {tag: "nightly", desc: "Commits to Mylar3 `1000papercuts` branch (ubuntu)"}
+  - {tag: "unstable", desc: "Commits to Mylar3 `1000papercuts` branch (alpine)"}
 # container parameters
 param_container_name: "{{ project_name }}"
 param_usage_include_vols: true
@@ -79,6 +79,7 @@ init_diagram: |
   "mylar3:nightly" <- Base Images
 # changelog
 changelogs:
+  - {date: "19.02.26:", desc: "Rebase `nightly` tag to build commits from upstream `1000papercuts` branch."}
   - {date: "05.02.26:", desc: "Release `unstable` tag based on commits to upstream `1000papercuts` branch."}
   - {date: "10.11.25:", desc: "Rebase to Ubuntu Jammy."}
   - {date: "23.12.23:", desc: "Rebase to Alpine 3.19."}